#include <stdio.h>

int main() {
    int c; 
    int a = 10;
    c = a++;
    printf("先赋值后运算：\n");
    printf("Line 1 - c 的值是 %d\n", c);
    printf("Line 2 - a 的值是 %d\n", a);
    a = 10;
    c = a--;
    printf("Line 3 - c 的值是 %d\n", c);
    printf("Line 4 - a 的值是 %d\n", a);

    printf("先运算后赋值：\n");
    a = 10;
    c = ++a;
    printf("Line 5 - c 的值是 %d\n", c);
    printf("Line 6 - a 的值是 %d\n", a);
    a = 10; 
    c = --a;
    printf("Line 7 - c 的值是 %d\n", c);
    printf("Line 8 - a 的值是 %d\n", a);
}